| Similarity | Rank | |
|---|---|---|
| iChat | 0.845 | 98123 |
| Viber | 0.825 | 71794 |
| FaceTime | 0.820 | 56059 |
| Skype's | 0.819 | 99490 |
| 0.817 | 61570 | |
| Hangouts | 0.805 | 54778 |
| ICQ | 0.805 | 72345 |
| iMessage | 0.803 | 78979 |
| BBM | 0.787 | 47068 |
| VOIP | 0.785 | 38302 |
| WebEx | 0.766 | 81653 |
| Vonage | 0.762 | 66190 |
| Gmail | 0.755 | 16215 |
| skype | 0.753 | 34410 |
| GMail | 0.751 | 71260 |
| Lync | 0.750 | 52221 |
| Jabber | 0.750 | 92482 |
| conferencing | 0.748 | 18899 |
| Voicemail | 0.747 | 85444 |
| VoIP | 0.744 | 13975 |
| Hotmail | 0.741 | 39485 |
| videoconferencing | 0.741 | 53227 |
| 0.739 | 98929 | |
| ActiveSync | 0.735 | 95218 |
| Messaging | 0.733 | 33969 |